/* ==========================================================================
   Pierre Wagner — Governança, Riscos e Compliance
   Design system: "Arquivo e Tinta"
   Paleta: petróleo profundo + papel frio + latão discreto
   Tipografia: Spectral (títulos) / IBM Plex Sans (texto) / IBM Plex Mono (rótulos)
   ========================================================================== */

:root {
  /* Cor — tema claro (padrão) */
  --paper: #F3F4F1;
  --surface: #FFFFFF;
  --surface-2: #E9EBE6;
  --ink: #10201E;
  --ink-2: #46544F;
  --ink-3: #5A6864;
  --line: #CDD3CD;
  --line-strong: #A9B3AD;
  --petrol: #17403C;
  --petrol-deep: #0E2B28;
  --on-petrol: #E7EFEA;
  --accent: #8A6A32;
  --accent-bright: #A98241;
  --accent-soft: #EDE4D2;
  --risk-low: #2E6B5E;
  --risk-med: #A5813C;
  --risk-high: #9B4A32;
  --shadow: 0 1px 2px rgba(16, 32, 30, .06), 0 8px 24px -12px rgba(16, 32, 30, .18);

  /* Tipografia */
  --font-display: "Spectral", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Ritmo */
  --gutter: clamp(1.15rem, 4vw, 2.5rem);
  --measure: 68ch;
  --radius: 3px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0E1917;
    --surface: #142220;
    --surface-2: #1B2A27;
    --ink: #E9EEEA;
    --ink-2: #AEBAB6;
    --ink-3: #879792;
    --line: #283B37;
    --line-strong: #3C524D;
    --petrol: #9DC6BB;
    --petrol-deep: #081412;
    --on-petrol: #E7EFEA;
    --accent: #D0A661;
    --accent-bright: #E0BA7C;
    --accent-soft: #2B2519;
    --risk-low: #6FB3A2;
    --risk-med: #D3A961;
    --risk-high: #D2836A;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px -14px rgba(0, 0, 0, .7);
  }
}

:root[data-theme="dark"] {
  --paper: #0E1917;
  --surface: #142220;
  --surface-2: #1B2A27;
  --ink: #E9EEEA;
  --ink-2: #AEBAB6;
  --ink-3: #879792;
  --line: #283B37;
  --line-strong: #3C524D;
  --petrol: #9DC6BB;
  --petrol-deep: #081412;
  --on-petrol: #E7EFEA;
  --accent: #D0A661;
  --accent-bright: #E0BA7C;
  --accent-soft: #2B2519;
  --risk-low: #6FB3A2;
  --risk-med: #D3A961;
  --risk-high: #D2836A;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px -14px rgba(0, 0, 0, .7);
}

/* --------------------------------------------------------------- base --- */

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.68;
  font-feature-settings: "kern" 1;
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.16;
  letter-spacing: -0.012em;
  text-wrap: balance;
  margin: 0;
}

h1 { font-size: clamp(2.1rem, 1.3rem + 3.2vw, 3.35rem); }
h2 { font-size: clamp(1.55rem, 1.1rem + 1.8vw, 2.15rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem); }
h4 { font-size: 1.0625rem; font-family: var(--font-body); font-weight: 600; letter-spacing: 0; }

p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--petrol); color: var(--on-petrol);
  padding: .6rem 1rem; z-index: 100;
}
.skip:focus { left: .5rem; top: .5rem; }

.wrap {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: .715rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.lede {
  font-size: clamp(1.08rem, 1rem + .4vw, 1.25rem);
  line-height: 1.62;
  color: var(--ink-2);
  max-width: 62ch;
}

.muted { color: var(--ink-2); }
.small { font-size: .9rem; }

/* ------------------------------------------------------------ cabeçalho --- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-head__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: var(--ink);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  flex: 0 0 38px;
  background: var(--petrol);
  color: var(--on-petrol);
  font-family: var(--font-display);
  font-size: .95rem;
  letter-spacing: .04em;
  border-radius: 2px;
}
:root[data-theme="dark"] .brand__mark,
:root:not([data-theme="light"]) .brand__mark { color: #0E1917; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .brand__mark { color: var(--on-petrol); }
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.06rem;
  line-height: 1.1;
  display: block;
}
.brand__role {
  font-family: var(--font-mono);
  font-size: .63rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: block;
  margin-top: .18rem;
}

@media (max-width: 520px) {
  .brand__role { display: none; }
  .brand__name { font-size: 1rem; }
}

.nav { display: flex; align-items: center; gap: .35rem; }

.nav a {
  text-decoration: none;
  font-size: .93rem;
  color: var(--ink-2);
  padding: .45rem .6rem;
  border-radius: 2px;
  position: relative;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: .6rem; right: .6rem; bottom: .12rem;
  height: 1.5px;
  background: var(--accent);
}

.nav__cta {
  margin-left: .4rem;
  border: 1px solid var(--line-strong);
  padding: .45rem .85rem !important;
  color: var(--ink) !important;
}
.nav__cta:hover { border-color: var(--accent); color: var(--accent) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .5rem .7rem;
  border-radius: 2px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: .5rem var(--gutter) 1rem;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: .7rem .2rem; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"]::after { left: .2rem; right: auto; width: 22px; bottom: .35rem; }
  .nav__cta { margin: .7rem 0 0; text-align: center; border-bottom: 1px solid var(--line-strong) !important; }
}

/* ---------------------------------------------------------------- botões --- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  padding: .72rem 1.25rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary { background: var(--petrol); color: var(--on-petrol); }
:root[data-theme="dark"] .btn--primary { color: #0E1917; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .btn--primary { color: #0E1917; }
}
.btn--primary:hover { background: var(--petrol-deep); }
:root[data-theme="dark"] .btn--primary:hover { background: var(--accent-bright); }

.btn--ghost { border-color: var(--line-strong); color: var(--ink); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }

.link-arrow {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--accent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  padding-bottom: 2px;
}
.link-arrow:hover { border-bottom-color: var(--accent); }

/* ----------------------------------------------------------------- seções --- */

.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--tight { padding-block: clamp(2.2rem, 5vw, 3.6rem); }
.section--alt { background: var(--surface); border-block: 1px solid var(--line); }

.section__head {
  display: grid;
  gap: .85rem;
  max-width: 60ch;
  margin-bottom: clamp(1.8rem, 4vw, 2.8rem);
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ------------------------------------------------------------------ hero --- */

.hero { padding-block: clamp(3.2rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4rem); }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 900px) { .hero__grid { grid-template-columns: 1fr; } }

.hero__thesis {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + .7vw, 1.45rem);
  font-style: italic;
  color: var(--petrol);
  border-left: 2px solid var(--accent);
  padding-left: 1.1rem;
  margin-top: 1.6rem;
  max-width: 46ch;
}
:root[data-theme="dark"] .hero__thesis { color: var(--petrol); }

.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

.hero__title { margin-top: 1rem; }
.hero__lede { margin-top: 1.2rem; }

/* Ficha lateral — "quadro de referência" */
.ficha {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--petrol);
  padding: 1.4rem 1.5rem 1.6rem;
  box-shadow: var(--shadow);
}
.ficha__title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 1rem;
}
.ficha dl { margin: 0; display: grid; gap: .9rem; }
.ficha dt {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--accent);
  text-transform: uppercase;
}
.ficha dd { margin: .2rem 0 0; font-size: .94rem; color: var(--ink-2); line-height: 1.5; }
.ficha dd strong { color: var(--ink); font-weight: 600; }

/* ------------------------------------------------------------- cartões --- */

.grid { display: grid; gap: clamp(1rem, 2.5vw, 1.6rem); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 940px) { .grid--3 { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .grid--2 { grid-template-columns: 1fr; } }

.frente {
  display: grid;
  gap: .7rem;
  align-content: start;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-strong);
}
.frente__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--ink-3);
}
.frente p { color: var(--ink-2); font-size: .98rem; }
.frente ul {
  margin: .2rem 0 0;
  padding-left: 1.05rem;
  color: var(--ink-2);
  font-size: .92rem;
  display: grid;
  gap: .35rem;
}
.frente li::marker { color: var(--accent); }

/* Tabela do quadro normativo */
.quadro-wrap { overflow-x: auto; border: 1px solid var(--line); background: var(--surface); }
table.quadro {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: .93rem;
}
table.quadro caption {
  text-align: left;
  padding: 1rem 1.1rem .4rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
table.quadro th, table.quadro td {
  text-align: left;
  padding: .78rem 1.1rem;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
table.quadro thead th {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
table.quadro tbody th { font-weight: 600; white-space: nowrap; font-family: var(--font-body); }
table.quadro td { color: var(--ink-2); }
table.quadro .ano { font-variant-numeric: tabular-nums; color: var(--ink-3); white-space: nowrap; }
table.quadro tbody tr:hover { background: var(--surface-2); }

/* --------------------------------------------------------------- artigos --- */

.artigo-lista { display: grid; gap: 0; }

.artigo-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}
.artigo-item:last-child { border-bottom: 1px solid var(--line); }
.artigo-item:hover { background: color-mix(in srgb, var(--surface) 70%, transparent); }
.artigo-item:hover .artigo-item__title { color: var(--accent); }
@media (max-width: 760px) {
  .artigo-item { grid-template-columns: 1fr; gap: .5rem; }
}

.artigo-item__meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.artigo-item__title { font-family: var(--font-display); font-size: 1.22rem; line-height: 1.25; margin: 0 0 .35rem; }
.artigo-item__resumo { color: var(--ink-2); font-size: .95rem; margin: 0; max-width: 60ch; }
.artigo-item__tempo { font-family: var(--font-mono); font-size: .72rem; color: var(--ink-3); white-space: nowrap; }

/* Corpo do artigo */
.artigo-head { padding-block: clamp(2.4rem, 6vw, 4rem) 1.5rem; }
.artigo-head__meta {
  display: flex; flex-wrap: wrap; gap: .6rem 1.2rem; align-items: center;
  font-family: var(--font-mono); font-size: .73rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 1.1rem;
}
.artigo-head__meta .tag { color: var(--accent); }

.prosa { max-width: var(--measure); display: grid; gap: 1.25rem; padding-bottom: 3rem; }
.prosa h2 { margin-top: 1.8rem; }
.prosa h3 { margin-top: 1.1rem; }
.prosa p { color: var(--ink-2); }
.prosa strong { color: var(--ink); font-weight: 600; }
.prosa ul, .prosa ol { margin: 0; padding-left: 1.2rem; color: var(--ink-2); display: grid; gap: .5rem; }
.prosa li::marker { color: var(--accent); }
.prosa a { color: var(--accent); text-underline-offset: 3px; }

.destaque {
  border-left: 2px solid var(--accent);
  background: var(--surface);
  padding: 1.1rem 1.3rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--ink);
}

.nota {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 1rem 1.2rem;
  font-size: .92rem;
  color: var(--ink-2);
}
.nota strong { display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .4rem; }

figure { margin: .6rem 0; }
figcaption { font-size: .84rem; color: var(--ink-3); margin-top: .6rem; font-family: var(--font-mono); letter-spacing: .02em; }

/* ------------------------------------------------------------- formulário --- */

.form { display: grid; gap: 1.1rem; max-width: 34rem; }
.field { display: grid; gap: .4rem; }
.field label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  padding: .7rem .8rem;
  width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .88rem; color: var(--ink-2); }
.consent input { width: auto; margin-top: .25rem; }
.form__status { font-size: .92rem; color: var(--accent); min-height: 1.2em; }

/* ---------------------------------------------------------------- rodapé --- */

.site-foot {
  background: var(--petrol-deep);
  color: var(--on-petrol);
  padding-block: clamp(2.5rem, 6vw, 4rem) 2rem;
  margin-top: auto;
}
:root[data-theme="dark"] .site-foot { border-top: 1px solid var(--line); }

.site-foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: 2rem;
}
@media (max-width: 800px) { .site-foot__grid { grid-template-columns: 1fr; } }

.site-foot h4 {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #9DC6BB;
  margin: 0 0 .9rem;
  font-weight: 500;
}
.site-foot a { color: #D7E3DD; text-decoration: none; font-size: .94rem; }
.site-foot a:hover { color: #E0BA7C; }
.site-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-foot p { color: #A8BBB4; font-size: .94rem; max-width: 40ch; }
.site-foot__bottom {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(157, 198, 187, .22);
  display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; justify-content: space-between;
  font-size: .82rem; color: #8AA29B;
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1 0 auto; }

/* --------------------------------------------------------------- utilitários --- */

.cta-band {
  background: var(--petrol);
  color: var(--on-petrol);
  padding-block: clamp(2.5rem, 6vw, 3.8rem);
}
:root[data-theme="dark"] .cta-band { background: var(--surface); color: var(--ink); border-block: 1px solid var(--line); }
.cta-band h2 { color: inherit; }
.cta-band p { color: inherit; opacity: .85; max-width: 52ch; margin-top: .7rem; }
.cta-band .btn--primary { background: var(--accent); color: #10201E; }
.cta-band .btn--primary:hover { background: var(--accent-bright); }
.cta-band__inner { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: end; justify-content: space-between; }

.placeholder {
  border: 1px dashed var(--line-strong);
  padding: .15rem .45rem;
  font-family: var(--font-mono);
  font-size: .82em;
  color: var(--ink-3);
  border-radius: 2px;
  white-space: nowrap;
}

.tema-toggle {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  border-radius: 2px;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  cursor: pointer;
  flex: 0 0 34px;
}
.tema-toggle:hover { border-color: var(--accent); color: var(--accent); }

.head-actions { display: flex; align-items: center; gap: .5rem; }